KanjiJLPT N2
Center

center, middle

Mnemonic

A big dome roof has a single hole at its peak. At noon, sunlight pours through, casting a blazing circle on the floor—the exact center of the building. Everyone gathers around the big bright spot under the roof, drawn to the center.
Additional thoughts
Visualize the roof overhead with a big shaft of light pinpointing the center like a cosmic spotlight. Big thing under a roof marks the middle.
Quick recall
A big hole in the roof lets sunlight mark the exact center of the floor.

Details

The keyword for 央 is center. This kanji conveys the idea of being in the very middle or core of something. It carries the sense of a central point, often used in contexts relating to the midpoint of a space or the heart of an area. It frequently appears in words describing something that is centrally located or at the midpoint of a given range.
On'yomi
おう

Used in vocab